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Plymouth population

Plymouth, Minnesota had an estimated 78,942 residents on July 1, 2025, the 489th-largest city in the US. That is up 11.9% since the 2010 Census and up 19.5% since 2000.

PlymouthMinnesotaPop. 78,942
Population, July 2025
78,942-2.6% since April 2020
People per sq mile
2,41332.7 sq mi of land
Median age
40.317.1% are 65 or older
Households with kids
33%with anyone under 18

Population by year, 2000 to 2025

56k62k69k75k81k2000: 66,06720002001: 66,7942002: 66,86720022003: 67,0142004: 67,20120042005: 67,3252006: 67,70520062007: 68,3642008: 69,11520082009: 70,0542010: 70,57620102011: 71,7092012: 73,11820122013: 74,1152014: 75,20220142015: 76,0672016: 77,38220162017: 78,1722018: 79,39820182019: 79,7662020: 81,02020202021: 79,8422022: 78,79720222023: 77,9572024: 78,75420242025: 78,9422025
Darker bars are the April 2000, 2010 and 2020 benchmarks; the rest are July 1 estimates. Source: US Census Bureau population estimates (intercensal 2000-2010, Vintage 2020 and Vintage 2025).
YearPopulationChangeBasis
202578,942+188Estimate, July 1
202478,754+797Estimate, July 1
202377,957-840Estimate, July 1
202278,797-1,045Estimate, July 1
202179,842-1,178Estimate, July 1
202081,020+1,254April 2020 estimates base
201979,766+368Estimate, July 1
201879,398+1,226Estimate, July 1
201778,172+790Estimate, July 1
201677,382+1,315Estimate, July 1
201576,067+865Estimate, July 1
201475,202+1,087Estimate, July 1
201374,115+997Estimate, July 1
201273,118+1,409Estimate, July 1
201171,709+1,133Estimate, July 1
201070,576+5222010 Census (April 1)
200970,054+939Estimate, July 1
200869,115+751Estimate, July 1
200768,364+659Estimate, July 1
200667,705+380Estimate, July 1
200567,325+124Estimate, July 1
200467,201+187Estimate, July 1
200367,014+147Estimate, July 1
200266,867+73Estimate, July 1
200166,794+727Estimate, July 1
200066,067April 2000 estimates base

Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.

Frequently asked questions

What is the population of Plymouth in 2025?

The Census Bureau estimates Plymouth had 78,942 residents on July 1, 2025, making it the 489th-largest city in the US.

Is Plymouth growing?

Yes. Plymouth has grown 11.9% since the 2010 Census (70,576 people), and shrunk 2.6% since 2020.

What was the population of Plymouth in 2000?

About 66,067 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 70,576.

How dense is Plymouth?

Plymouth has about 2,413 people per square mile of land (32.7 square miles).

More about Plymouth

See cost of living, jobs and commutes in Plymouth, Plymouth weather by month, or every Plymouth ZIP code. For the biggest cities in the country, see the largest US cities.